sauceboat vs gravy holder

sauceboat and gravy holder both are nouns.

Word	Noun	Adjective	Verb	Adverb
sauceboat	Yes	No	No	No
gravy holder	Yes	No	No	No

As nouns, sauceboat and gravy holder are synonyms defined as:

sauceboat and gravy holder: a dish (often boat-shaped) for serving gravy or sauce

Other synonyms of sauceboat include boat, gravy boat.

sauceboat (noun)	gravy holder (noun)
a dish (often boat-shaped) for serving gravy or sauce	a dish (often boat-shaped) for serving gravy or sauce